Opinion social network Thumb gets a facelift, with a few cues from Pinterest

Thumb, the opinion-based social network formerly known as Opinionaided, is launching its next major update today with Thumb 3.0. The latest build refines the Thumb interface with visual flourishes and a built-in chat application, but perhaps the biggest change is the new ability to share your interests, similar to the hot image sharing site Pinterest.

LinkedIn rolls out Follow Company button for all sites

LinkedIn announced a new Follow Company button Monday, which the social network thinks will make it easier for companies to communicate and interact with their customers. Beginning immediately, companies can grab the snippet of code to add it the button to their own sites and start collecting more followers.